linux-ext4 - [problem] strange values displayed by e2freefrag

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Message-ID: <i2fkse$lkr$1@dough.gmane.org>
Date:	Sat, 24 Jul 2010 23:10:34 +0200
From:	horhe <skrzynka_na_spami@...ekcja.mejor.pl>
To:	linux-ext4@...r.kernel.org
Subject: [problem] strange values displayed by e2freefrag

Hi!
Today i run e2freefrag on ext4 partition and i saw:
Device: /dev/mapper/vg--bez--raidu-lvarchiwumnowe
Blocksize: 4096 bytes
Total blocks: 52166656
Free blocks: 57254 (0.1%)

Min. free extent: 4 KB
Max. free extent: 128120 KB
Avg. free extent: 3396 KB

HISTOGRAM OF FREE EXTENT SIZES:
Extent Size Range :  Free extents   Free Blocks  Percent
    4K...    8K-  :          1500          1500    2.62%
    8K...   16K-  :          1566          3933    6.87%
   16K...   32K-  :          1112          5707    9.97%
   32K...   64K-  :           228          2480    4.33%
   64K...  128K-  :           222          5061    8.84%
  128K...  256K-  :           269         12364   21.59%
  256K...  512K-  :           307         28279   49.39%
  512K... 1024K-  :           487         84412  147.43%
    1M...    2M-  :           621        240621  420.27%
    2M...    4M-  :           780        574302  1003.08%
    4M...    8M-  :           803       1162903  2031.13%
    8M...   16M-  :           488       1317526  2301.19%
   16M...   32M-  :           312       1728598  3019.17%
   32M...   64M-  :           119       1269059  2216.54%
   64M...  128M-  :            49       1088111  1900.50%

And i'm suprised when i can see so high percents, i don't know hot to
interpret this values.
e2fsprogs-1.41.12
Regards!
Marcin

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